#644FBC#644FBC

#644FBC is a mid, vivid violet. Relative luminance 0.119; OKLCH L 50.7% C 0.164 H 287.9°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#644FBC
RGB	rgb(100, 79, 188)
HSL	hsl(252, 45%, 52%)
HSV	hsv(252, 58%, 74%)
CMYK	cmyk(46.8%, 58%, 0%, 26.3%)
CIE-LAB	lab(41.11, 36.26, -54.77)
CIE-LCH	lch(41.11, 65.68, 303.50°)
OKLab	oklab(50.74% 0.0506 -0.1564)
OKLCH	oklch(50.74% 0.164 287.9)
XYZ	xyz(17.1260, 11.9314, 48.9678)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644FBC #A7BC4F

analogous

#4F70BC #644FBC #9B4FBC

triadic

#644FBC #BC644F #4FBC64

tetradic

#644FBC #BC4F70 #A7BC4F #4FBC9B

square

#644FBC #BC4F70 #A7BC4F #4FBC9B

split-complementary

#644FBC #BC9B4F #70BC4F

monochromatic

#342869 #4B3995 #644FBC #8B7BCD #B2A8DE

Accessibility & contrast

On white

6.20

#644FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#644FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #644FBC

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644FBC	#FFFFFF	#000000	##FFFFFF
##644FBC	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#48677E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #644fbc;
/* rgb */ color: rgb(100, 79, 188);
/* oklch */ color: oklch(50.7% 0.164 287.9);

Tailwind

colors: {
  custom: {
    50: '#9681d1',
    500: '#644fbc',
    950: '#000000',
  },
}

SCSS

$custom: #644fbc;
$custom-light: #9681d1;
$custom-dark: #000000;

JSON

{
  "hex": "#644fbc",
  "rgb": {
    "r": 100,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 251.56,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50738,
    "c": 0.16435,
    "h": 287.9
  },
  "luminance": 0.11932
}

Semantic roles & 50–950 ramp

primary

#644FBC

secondary

#C2CB9C

accent

#D553BC

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #644FBC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →